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2 Sheets-Sheet 1.

(No Model.)

B. G. HORNE;

COTTON GIN HOPPER.

Patented Feb, 20,1883.

2 Sheets-Sheet 21' (No Model.)

B. G. HORNE.

COTTON GIN HOPPER.

Patent ed Feb. 20. 1883.

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Uivtrnn drarns PATENT Cinema EDWARD G. HORNE, OF OALLOWAY, TEXAS, ASSIGNOR TO THE CARVER GIN AND MACHINE COMPANY, OF MEMPHIS, TENNESSEE.

COTTON-GIN HOPPER.

SPEGIFIGATIGN forming part of Letters Patent No. 272,694, dated February 20, 1883.

Application filed October 20, 1882. (No model.)

1'0 all whom it may concern Be it known that I, EDWARD G. HORNE, a citizen of the United States, residing at (Jalloway, in the county of Upshur and State of Texas,have invented new and useful Improvements in Cotton-Gin Hoppers, ot'which the following is a specification.

This invention relates to machines for ginning cotton, and has for its object to provide means whereby the swinging breast carrying the front rolls of the roll-box can be adjus ed in relation to the rear rolls to vary the pressure exerted on the roll of cotton, and thus regulate the density of the latter, and to provide a rollbox having a swinging adjustable breast with a novel construction of stationary heads for supporting the rolls. These objects I accomplish by the devices and construction of parts illustrated in the accompanying drawings, in which-- Figure 1 is a perspective view of a cottongin embodyingmy inventiointhe hinged breast being closed; Fig. 2, a similar view with the breast in its open position; Fig. 3, an end elevation of the roll-box; Fig. 4, an elevation of one of the gin-ribs.

The letter A indicates the swinging curved breast of the roll box or hopper, which breast is hinged at its upper end to the stationary metal disks or headpieces B, that constitute the ends of the roll box or hopper.

The front breast-rollers, O, that are journaled in open bearings formed in the ends of the swinging breast A, are arranged in the arc of a circle, and the rear or back set of rollers, D, are likewise arranged in a circular path, beingjournaled in suitable boxes or bearings in the stationary ends or heads B of the roll box or hopper. The breastrollers are mounted in recessed rims or flanges M, attached to the breast-piece proper, and these rims or flanges are greater in thickness than and fit outside of the lower stationary and recessed heads. By this construction sand will be prevented from passing to the journals and journal-bearings of said rollers, and will be thrown off by the rotation of the rollers before it can enter said bearings.

Rigid with the frame of the machine, and located near the outer side of one of its stationary heads, is a bracket-arm, E, which is provided at its upper end, near the joint be-t tween the breast and stationary head, with an eye, in which is mounted the spindle of a pair of pulleys, e, employed as guides, and support in g-pulleys for the endless cord or belt-F, that passes over said pulleys and transmits motion from the gin-saw shat'tG to the breast or front rollers in the swinging breast. The rollers carried by the hinged or pivoted breast are provided with pulleys K, over which passes the driving belt or cord F, and such pulleys are located outside of the ends or heads of the rollbox. The stationary ends or heads B of the roll box or hopper are each formed with a marginal series of recesses, 11, adapted to receive the rollers upon the breast, and thereby close the open hearings in the latter, in which the rollers are mounted. When the hinged breast is swung down, the rollers which it carries will be received in the recesses of the stationary heads, and to lock the swinging breastin proper position I provide the former with slotted lugs or enlargements H at its lower extremities, the slots being adapted to receive headed screw-bars or set-screws, I that are fitted in the stationary head. By drawing the breast and head together and tightening up this bolt or set-screw the two parts will be locked together.

The hopper is provided with gin-ribsJ. (See Fig.4 and dotted lines, Fig. 3.) The upper end of each rib is provided with a bend to form a semicircular recess, K, which conforms to the shape of the lower roller at the rear of the rollbox. Between the gin-saw and the said lower roller the gin-rib is provided with a peak, L, the front inclined face, L, of which is curved so as to direct the cotton upon and against the lower roller and prevent the saw from dragging or pulling the cotton down through the space between the periphery of the saw and the lower roller. It will of course be understood thata seriesof such gin-ribsareemployed, one being arranged between each pair of adjacent saws.

It will be observed that the entire interior of the roll box or hopper is composed of rolls, and hence the roll of cotton fed therein will in the operation of the gin be subjected on all sides or portions simultaneously to rolling friction,whereby the roll is prevented from becoming broken or otherwise injured, and a better quality of staple is produced. Further than this, by providing the entire interiorot'the rollbox with rolls, as described, the friction is greatly reduced, and therefore the power nec essary to drive the gin is materially lessened.

In order to accurately determine the adjustmentof the breast, I preferto provide the front edges of the ends or heads of the roll-box with set-screws N, having heads against which the breast rests when in working position. By these adjusting-screws the relative position of the front and rearrollers can be determined, after which the set-screw I serves to lock the breast in place.

. Having thus described my invention, what .I claim isl. in a cotton-gin, the combination, with aroll-box provided with ahinged breastrarrying the breast or front rolls, of means for adjusting the breast in position, substantially as described.

2. The combination, with the swinging adjustable breast carrying the front set of rolls, of the stationary heads at the ends of the hopper, formed with recesses adapted to receive the said rolls, substantially as described.

3. The combination, with the stationary heads provided with recesses alongtheiredges, of the swinging adj ustable breast carrying the front setot' rolls, and the set-screws I and N for adjusting said breast, substantially as described.

4. The breast carrying thef'ront set of rolls, 35

my hand in the presence oftwo subscribing 0 witnesses.

EDWARD G. HORNE.

Witnesses:

M. B. TREZERANT, W. W.OURR1E. 

